/*
 * Copyright 2012-2025 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.assertj.core.error;

import static java.lang.String.format;
import static org.assertj.core.api.Assertions.withinPercentage;
import static org.assertj.core.api.BDDAssertions.then;
import static org.assertj.core.error.OptionalDoubleShouldHaveValueCloseToPercentage.shouldHaveValueCloseToPercentage;

import java.util.OptionalDouble;

import org.junit.jupiter.api.Test;

class OptionalDouble_ShouldHaveValueCloseToPercentage_create_Test {

  @Test
  void should_create_error_message_when_OptionalDouble_is_empty() {
    // WHEN
    String errorMessage = shouldHaveValueCloseToPercentage(10.0).create();
    // THEN
    then(errorMessage).isEqualTo(format("%nExpecting an OptionalDouble with value:%n" +
                                        "  10.0%n" +
                                        "but was empty."));
  }

  @Test
  void should_create_error_message_when_OptionalDouble_value_is_not_close_enough_to_expected_value() {
    // WHEN
    String errorMessage = shouldHaveValueCloseToPercentage(OptionalDouble.of(20), 10, withinPercentage(2)).create();
    // THEN
    then(errorMessage).isEqualTo(format("%nExpecting actual:%n  OptionalDouble[20.0]%n" +
                                        "to be close to:%n" +
                                        "  10.0%n" +
                                        "by less than 2%% but difference was 100.0%%.%n" +
                                        "(a difference of exactly 2%% being considered valid)"));
  }
}
